Convert Pennyweight to ounces
Western Europe · European Weight · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Pennyweight = 0.054857 ounces
ounces = Pennyweight × 0.054857007
Convert any amount
Pennyweight to ounces table
| Pennyweight | ounces |
|---|---|
| 0.25 Pennyweight | 0.0137143 ounces |
| 0.5 Pennyweight | 0.0274285 ounces |
| 1 Pennyweight | 0.054857 ounces |
| 2 Pennyweight | 0.109714 ounces |
| 3 Pennyweight | 0.164571 ounces |
| 4 Pennyweight | 0.219428 ounces |
| 5 Pennyweight | 0.274285 ounces |
| 10 Pennyweight | 0.54857 ounces |
| 20 Pennyweight | 1.09714 ounces |
| 25 Pennyweight | 1.37143 ounces |
| 50 Pennyweight | 2.74285 ounces |
| 100 Pennyweight | 5.4857 ounces |
About the Pennyweight
1 Troy Ounce = 20 Pennyweight.
- Symbol
- dwt
- Value in SI
- 1 Pennyweight = 0.00155517 kilogram
- Typical use
- jewellery
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI kilogram. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other european weight units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many ounces are in a Pennyweight?
1 Pennyweight = 0.054857 ounces. Multiply the number of Pennyweight by 0.054857007 to get ounces.
What is Pennyweight used for?
1 Troy Ounce = 20 Pennyweight. It is classified as active and dates from the modern period.
Is the Pennyweight value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI kilogram, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Pennyweight conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Pennyweight to ounces. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/pennyweight-to-ounce
Report an incorrect value or source
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